I came across this project recently and thought it was worth sharing here because it’s more detailed than the usual UAP stuff you see around reddit. Back in 2019 a Soviet-Latvian aerospace engineer named Valerijs Černohajev passed away. Right before he died he gave his daughter 119 pages of handwritten Russian technical notes, schematics and math he’d been working on since the 80s while working at Soviet defense sites like Priozersk. Instead of vague stories, it’s a full 12-part engineering b...